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TS (Single Row Tapered Roller Bearings) (Imperial) 439-432A

TS (Single Row Tapered Roller Bearings) (Imperial) 439-432A

The 439-432A is a single-row tapered roller bearing with a 1.625″ bore and 3.75″ outer diameter, crafted from sturdy chrome steel. It handles combined loads up to 28500 lbf radially and 3600 lbf thrust-wise, making it versatile for various applications.

Its open design allows for easy lubrication, while the steel cage ensures durability under heavy use. The bearing operates smoothly in temperatures ranging from -30°C to 110°C.

This model is interchangeable with Timken bearings, offering a reliable replacement option. Ideal for industrial machinery or automotive systems where combined loads are common.

Weighing 2.2 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it’s a safe choice for most environments.

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Product Parameters

  • Part Number 439-432A
  • Brand TFL
  • Interchangeable Timken
  • Size 1.625" x 3.75" x 1.094"
  • Bore Dia 1.625"
  • Bore Dia Tolerance +0.005" to 0
  • Outer Dia 3.75"
  • Outer Dia Tolerance +0.001" to 0
  • Cone Width 1.1772"
  • Cone Width Tolerance +0.003" to -0.01
  • Cup Width 0.875"
  • Cup Width Tolerance +0.002" to -0.01
  • Width 1.094"
  • Width Tolerance +0.008" to 0
  • Cone Backface ToClear Radius 0.050"
  • Cup Backface ToClear Radius 0.03"
  • Cone Frontface Backing Diameter 1.91"
  • Cone Backface Backing Diameter 1.97"
  • Cup Frontface Backing Diameter 3.46"
  • Cup Backface Backing Diameter 3.31"
  • Cage Cone Frontface Clearance 0.05"
  • Cage Cone Backface Clearance 0.04"
  • Effective Center Location -0.36"
  • System of Measurement Inch
  • Type Bearing
  • Cone Part Number 439
  • Cup Part Number 432A
  • Bearing Type Roller
  • Roller Bearing Type Tapered
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Cups Type Standard
  • Series 435
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Steel
  • Dynamic Radial Load 28500 lbf
  • Static Radial Load 32400 lbf
  • Dynamic Radial Rating(90 Million Revolutions)(C90) 7400 lbf
  • Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 3600 lbf
  • Lubrication Required
  • Temperature Range -30° to 110 °C
  • ABEC Rating ABEC-1
  • Radial Clearance Standard (Available in C3/C4/C5)
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.2 lb

Features

Why Choose 439-432A Bearing for Precision Tasks?

439-432A Bearing is crafted with chrome steel rings and rollers, ensuring durability under combined loads.
Its dynamic radial load capacity reaches 28,500 lbf, making it suitable for demanding industrial applications.
The steel cage maintains roller alignment, reducing friction and enhancing performance.
With a temperature range of -30° to 110°C, it operates reliably in various environments.

How Is 439-432A Bearing Engineered for Reliability?

439-432A Bearing features a tapered roller design, optimised for handling both radial and thrust loads.
The chrome steel construction resists wear, extending the bearing’s service life.
Precision tolerances ensure smooth operation, even at high speeds.
Its standard radial clearance offers flexibility for different application requirements.

Built for Durability: 439-432A Bearing

439-432A Bearing’s single-row construction provides stability and strength in heavy-duty applications.
The open design allows for easy lubrication, maintaining optimal performance.
With a static radial load capacity of 32,400 lbf, it handles significant stress.
Its ABEC-1 rating ensures consistent precision in various operating conditions.

Application

Industrial Uses of 439-432A Bearing
The 439-432A Bearing is commonly used in heavy machinery like construction equipment and agricultural gear, where its tapered roller design handles combined loads effectively. Its chrome steel construction ensures durability even in demanding environments.

Where Is 439-432A Bearing Used?
You’ll often find 439-432A Bearing in automotive applications, particularly in wheel hubs and differential systems. Its inch sizing makes it a reliable choice for older or custom-built vehicles requiring imperial measurements.

Built for Heavy-Duty Use: 439-432A Bearing
439-432A Bearing excels in industrial conveyor systems, thanks to its robust steel cage and high dynamic load capacity. The open design allows for easy lubrication, extending its service life in continuous operations.

Automotive vs Aerospace: Applications of 439-432A Bearing
In automotive settings, 439-432A Bearing supports axle assemblies, while its precision makes it suitable for aerospace ground equipment. The ABEC-1 rating ensures consistent performance across both sectors.

Perfect Fit for Automation: 439-432A Bearing
439-432A Bearing works well in automated production lines, particularly in robotic arms handling moderate loads. Its standard radial clearance offers a balance between precision and ease of installation.

Q&A

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